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nebular hypothesis
nebuliser
nebulize
nebulizer
nebulosity
nebulous
NEC
necessarily
necessary
necessary condition
necessary evil
necessitarian
necessitate
necessitous
necessity
neck
neck ring
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necessary

nec·es·sar·y [ néssə sèrree ]


adjective 
Definition:
 
1. required: important in order to achieve a specific result, or desired by authority or convention
Is it really necessary to contact the police?

2. following inevitably: inevitable given what has happened previously
No doubt they will draw the necessary conclusion.

3. logic logically true: logically true because of being impossible to be false



noun  (plural nec·es·sar·ies)
Definition:
 
something essential: an essential item ( informal )
I've packed the necessaries.

[14th century. Via Anglo-Norman< Latin necessarius< necesse "unyielding" < cess- (see cession)]

Word Key: Synonyms
necessary, essential, vital, indispensable, requisite, required, needed
CORE MEANING: important to have

necessary important in order to achieve a specific result, or desired by authority or convention;
Our son says he'll get a bank loan to buy the car if necessary.
Repairs are necessary in order to ensure everyone's health and safety.
essential of the highest importance for achieving something;
Besides ability, the other essential element in political success is sheer luck.
It is essential that a social worker review the home environment before the patient's discharge.
vital extremely important and necessary, or indispensable to the survival or continuing effectiveness of something;
The president's support for the negotiations was vital to their success.
The neighborhood watch has a vital role to play in reducing crime.
indispensable extremely desirable or useful, or not to be done without;
Although not a popular leader, he created the belief that he was indispensable to political stability.
Online sources have become almost indispensable to history teachers.
requisite (formal) necessary for a specific purpose;
The resolution fell only four votes short of achieving the requisite two-thirds majority.
We ended up rejecting the majority of applicants because they didn't have the requisite skills.
required necessary or appropriate, or insisted upon or imposed as a condition;
They haven't got the required documents.
needed necessary or desired;
This generous donation allowed us to purchase some much-needed items.
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